Coffee cup



FIG. 1 is a front view of the coffee cup showing our new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof.

The broken lines shown in the drawings depict portions of coffee cupthat form no part of the claimed design.

CLAIM The ornamental design for a coffee cup, as shown and described.